Booked and we have to wait to tell my Brother and sister!!!!!

[hthrbells]

Just booked!!!! Going again in Dec, what a great time!!! DH, 2 DS and an addition my little brother and sister, 14 and 12. I have to wait to tell them that they are coming until Sept!!!! On my Birthday I get to tell them, I do not know what is more aggonizing, waiting for the trip or telling them!!!! My Dad and Step Mom know me to well!!!! My DH has put a great power point to surprise them. Any other great tips to add to my Brother and sisters surprise?